<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true"> <!-- pressed -->
        <color android:color="@color/blue_highlight" />
    </item>
    
    <item android:state_pressed="false"> <!-- default -->
        <color android:color="@color/white" />
    </item>

</selector>